parthenote Syllabification: (par·the·note)Pronunciation: /ˈpärTHənōt/Definition of parthenote noun Biology an organism produced from an unfertilized ovum, which is incapable of developing beyond the early embryonic stages. Origin: 1930s: from parthenogenesis and zygoteparthenote in other Oxford dictionaries Definition of parthenote in the British & World English dictionary